<?php 
// function distance($lat1, $lon1, $lat2, $lon2, $unit) {

  // $theta = $lon1 - $lon2;
  // $dist = sin(deg2rad($lat1)) * sin(deg2rad($lat2)) +  cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * cos(deg2rad($theta));
  // $dist = acos($dist);
  // $dist = rad2deg($dist);
  // $miles = $dist * 60 * 1.1515;
  // $unit = strtoupper($unit);

  // if ($unit == "K") {
    // return ($miles * 1.609344);
  // } else if ($unit == "N") {
      // return ($miles * 0.8684);
	// } else {
		// return $miles;
	  // }
// }

// echo distance(32.9697, -96.80322, 29.46786, -98.53506, "K") . " Kilometers<br>";
// echo distance(32.9697, -96.80322, 29.46786, -98.53506, "M") . " Miles<br>";
// echo distance(32.9697, -96.80322, 29.46786, -98.53506, "N") . " Nautical Miles<br>";
// die;
?>
<!DOCTYPE html>
<html class="no-js">
<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
	<title>HTML5</title>
	<meta name="description" content="">
	<meta name="viewport" content="width=device-width">
	<script>

	</script>
</head>
<body>
	<form action="http://localhost/imgsv/add" method="post" enctype="multipart/form-data">
		<label for="file">Filename:</label>
		<input type="file" name="file" id="file"><br>
		<input type="submit" name="submit" value="Submit">
	</form>
</body>
</html>